4A-7 was a prototype Separatist espionage droid constructed by Arakyd Industries on Mechis III, apparently the predecessor for the RA-7 protocol droid. He had the body of a Cybot Galactica protocol droid and an oversized head containing surveillance equipment.
4A-7 was stationed at the B'omarr Monastery on Teth, alongside Asajj Ventress, who considered the droid her only friend. When Anakin Skywalker, Ahsoka Tano, and the clone troopers of Torrent Company arrived at the monastery, 4A-7 claimed he was the caretaker of the structure, and tried to make the two Jedi believe he was
After a holocam recorded Skywalker and Tano rescuing Rotta the Huttlet, 4A-7 doctored the image so that it made it seem like the two Jedi were kidnapping the baby and planning Jabba the Hutt's assassination. This recording was shown to Jabba by Count Dooku on
When the two Jedi, Rotta, and R2-D2 were preparing to flee Teth aboard the
Twilight, 4A-7 appeared at the boarding ramp of the ship. He was decapitated by Tano after he was discovered to be in league with the